Displaying 31 results of Lopinavir Impurities Lopinavir is an antiviral drug used in the treatment of HIV. Lopinavir Impurities are impurities that can be found in lopinavir drug substances or drug products. These impurities may be formed during the manufacturing process or may be present due to degradation or contamination. It is important to monitor and control these impurities to ensure the safety and efficacy of the drug product. The identification and quantification of lopinavir impurities are important for quality control purposes.